Standard
18" Paper Cone Woofer
FSB52B518-I081
Features
18", Steel Frame
3" PESVW Voice Coil, Kapton Former
Paper Cone, Cloth Surround, Long Excursion(±6.4mm)
Strong Ferrite Magnet Motor System
High Sensitivity
Parameters
Size
18 Inch
Fs
23 Hz
Re
5.5 Ohms
Sensitivity
96 dB
Quality Factor
0.25 Qts
Rated Power
250 W
This is a 18 inch 8 ohm driver, it is a Woofer features 3 inch voice coil with PESVW. In term of suspension system, cone is consisted by Paper Cone body with Cloth surround and spider is consisted by NC. In term of magnet motor system, magnet is consisted by Ferrite material. It can be used on Stage loudspeaker system.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 23 Hz |
| Mechanical Q factor [Qms] | 13.928 |
| Electrical Q factor [Qes] | 0.257 |
| Total Q factor [Qts] | 0.253 |
| Force factor [Bl] | 21.516 Tm |
| Mechanical resistance [Rms] | 1.544 kg/s |
| Moving mass [Mms] | 146.621 g |
| Compliance [Cms] | 0.317 mm/N |
| Effective diaph. diameter [D] | 390 mm |
| Effective piston area [Sd] | 1194.59 cm² |
| Equivalent volume [Vas] | 640.14 l |
| Sensitivity (2.83V/1m) | 96 dB |
| Ratio Bl/√Re | 9.1 N/√W |
| Ratio fs/Qts | 90 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 8 Ω |
| Minimum impedance [Zmin] | 6.3 Ω |
| Maximum impedance [Zo] | 312.1 Ω |
| DC resistance [Re] | 5.5 Ω |
| Voice coil inductance [Le] | 0.959 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 250 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 75.5 mm |
| Voice coil height | 25.2 mm |
| Voice coil layers | 2 |
| Height of gap | 12 mm |
| Linear excursion | ± 6.6 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 9.842 kg |
